<template>
    <div class="app-container">
      <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
        <el-form-item label="标签名称" prop="name">
          <el-input
            v-model="queryParams.name"
            placeholder="请输入标签名称"
            clearable
            style="width: 240px"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item>
          <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
        </el-form-item>
      </el-form>

      <el-row :gutter="10" class="mb8">
        <el-col :span="1.5">
          <el-button
            type="primary"
            plain
            icon="el-icon-plus"
            size="mini"
            @click="handleAdd"
          >新增标签</el-button>
        </el-col>
        <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
      </el-row>

      <el-table v-loading="loading" :data="tagList" @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55" align="center" />
        <el-table-column label="标签ID" align="center" prop="id" />
        <el-table-column label="标签名称" align="center" prop="tags" :show-overflow-tooltip="true" />
        <el-table-column label="创建时间" align="center" prop="createTime" width="180">
          <template slot-scope="scope">
            <span>{{ parseTime(scope.row.createTime) }}</span>
          </template>
        </el-table-column>
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="text"
              icon="el-icon-delete"
              @click="handleDelete(scope.row)"
            >删除</el-button>
          </template>
        </el-table-column>
      </el-table>

      <pagination
        v-show="total>0"
        :total="total"
        :page.sync="queryParams.pageNum"
        :limit.sync="queryParams.pageSize"
        @pagination="getList"
      />

      <!-- 添加标签对话框 -->
      <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
        <el-form ref="form" :model="form" :rules="rules" label-width="80px">
          <el-form-item label="标签名称" prop="name">
            <el-input v-model="form.name" placeholder="请输入标签名称" />
          </el-form-item>
        </el-form>
        <div slot="footer" class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </el-dialog>
    </div>
  </template>

  <script>
  import { listUserIdentity, addUserIdentity, updateUserIdentity } from "@/api/user/mantag";
  import { parseTime } from "@/utils/index";

  export default {
    name: "UserMantag",
    data() {
      return {
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // 标签表格数据
        tagList: [],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          name: undefined
        },
        // 表单参数
        form: {},
        // 表单校验
        rules: {
          name: [
            { required: true, message: "标签名称不能为空", trigger: "blur" }
          ]
        }
      };
    },
    created() {
      this.getList();
    },
    methods: {
      /** 查询标签列表 */
      getList() {
        this.loading = true;
        listUserIdentity(this.queryParams).then(response => {
            this.tagList = response.data;
            this.total = 200;
            this.loading = false;
          }
        );
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      // 表单重置
      reset() {
        this.form = {
          id: undefined,
          name: undefined
        };
        this.resetForm("form");
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      /** 新增按钮操作 */
      handleAdd() {
        this.reset();
        this.open = true;
        this.title = "添加标签";
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.id)
        this.single = selection.length!=1
        this.multiple = !selection.length
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        const id = row.id || this.ids;
        this.$confirm(`确定要删除标签 ${row.name || '选中项'} 吗？`, "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(() => {
          return updateUserIdentity({ id: id });
        }).then(() => {
          this.getList();
          this.$message.success("删除成功");
        }).catch(() => {
          // 取消删除
        });
      },
      /** 提交按钮 */
      submitForm() {
        this.$refs["form"].validate(valid => {
          if (valid) {
            if (this.form.id) {
              // 这里不实现修改功能，需求中没有提到
            } else {
              addUserIdentity(this.form).then(response => {
                this.$message.success("操作成功");
                this.open = false;
                this.getList();
              });
            }
          }
        });
      }
    }
  };
  </script>